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Stockholders' Equity - Share Repurchase Activity (Details) - USD ($) shares in Thousands, $ in Thousands | 3 Months Ended | 9 Months Ended
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Oct. 31, 2025 | Oct. 31, 2024 | Oct. 31, 2025 | Oct. 31, 2024
Equity [Abstract] |  |  |  |
Number of shares repurchased (in shares) | 2,821 | 2,876 | 7,709 | 9,221
Aggregate purchase price | $ 215,543 | $ 172,948 | $ 600,179 | $ 523,747

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